NWS Forecast Office Houston/Galveston, TX

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Last Map Update: Fri, May 22, 2026 at 10:30:19 am CDT

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Flood Warning

Flood Watch

Radar

Heavy Rainfall Risk Through Weekend

Flood Watch

Today's Outlook

Tonight's Outlook

Current radar loop for Houston, TX.

Multiple rounds of showers and thunderstorms containing moderate to heavy rainfall expected through the weekend. Locally heavy rainfall capable of at least minor flooding is expected. River rises to action and minor flood state expected by the weekend.

A Flood Watch is in effect from Thursday morning through Monday morning for portions of southeast Texas, including Jackson, Matagorda, Wharton, Fort Bend, Brazoria, and Galveston counties. Impacts include excessive runoff resulting in flooding of creeks, streams, and other low-lying and flood prone locations.

Highs for today will be in the mid to upper 80s. Winds will be light out of the southeast. Scattered showers and thunderstorms will be possible this afternoon.

Overnight lows ranging from the upper 60s to upper 70s, mostly cloudy skies. Light fog and isolated thunderstorms possible overnight.

Current Weather Observations...

Location	Time (CDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Crockett	01:35	Rain \ Mist \ Lightning Observed	3	66	66	100	CALM	-	30.09
Caldwell	09:55	Partly Cloudy	10	77	68	73	CALM	-	29.91
College Station	10:04	Mostly Cloudy	10	76	70	81	SSW 7	-	29.90
Huntsville	09:53	Mostly Cloudy	10	79	70	73	SW 8	-	29.91
Navasota	10:15	Mostly Cloudy	10	80	76	86	SW 5	-	29.89
Conroe	10:10	Mostly Cloudy	10	78	70	76	SW 7	-	29.91
Hooks Airport	09:53	Partly Cloudy	10	80	71	74	VRB 5	-	29.90
Intercontinental Airport	09:53	Partly Cloudy	10	80	70	71	SW 7	-	29.90
Houston Hobby Airport	09:53	Partly Cloudy	10	81	71	71	S 8	-	29.89
Sugar Land	10:14	Mostly Clear	10	81	72	74	SW 5	-	29.89
Wharton	01:10	Light Rain	5	68	66	93	N 17G24	-	30.08
Pearland	09:53	Clear	10	80	70	71	S 6	-	29.91
Ellington Field	08:54	Mostly Clear	10	78	73	83	S 6	-	29.88
La Porte	09:55	Clear	10	81	72	73	SSW 7	-	29.90
Angleton/Lake Jackson	09:53	Partly Cloudy	10	81	73	76	S 10	-	29.90
Galveston	10:06	Mostly Cloudy	10	80	74	81	SSW 13	-	29.91
Bay City	10:15	Mostly Clear	10	81	78	89	S 12	-	29.86
Palacios	09:53	Partly Cloudy	10	81	74	79	SSE 12	-	29.89
Rig 20 Miles SE of Galveston	10:15	Clear	10	78	73	83	S 15	-	29.91
Rig 20 Miles SE of Matagorda	10:20		10	80	78	94	SSE 7	-	29.93

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